key terms Flashcards
prokaryotic
a typically unicellular organism (as of the domains Bacteria and Archaea) lacking a distinct nucleus and membrane-bound organelles
eukaryotic
any cell or organism that possesses a clearly defined nucleus.
unicellular
consisting of a single cell
multicellular
having or consisting of many cells.
budding
a grafting technique in which a single bud from the desired scion is used rather than an entire scion containing many buds.
vegetative propogation
The process in which new plants are grown from the old parts of another plant like roots, shoots and leaves, without involving any reproductive organ,
Large surface area to
volume ratio is good for
allows for materials to be transported as efficiently as possible into, out of, and around the cell.
types of apoptosis
- death receptor pathway
- mitochondrial pathway
blebbing
the bulging of the
plasma membrane to form
apoptotic bodies
potency
Stem cells are undifferentiated cells which can give rise to differentiated cells with a
specialised function.
multipotent
stem cells which can differentiate into a
limited number of specialised cell types belonging to a
specific tissue or organ
pluripotent
stem cells that can differentiate into multiple
cell types
totipotent
stem cells which can differentiate into any cell
type
integrity
an ethical concept that encourages a full
commitment to knowledge and understanding as well
as the honest reporting of all sources of information and
results
justice
an ethical concept that encourages fair
consideration of competing claims, and ensures that there
is no unfair burden on a particular group from an action
respect
an ethical concept that encourages the
acknowledgment of the intrinsic value of living things,
and considers the welfare, beliefs, customs, and cultural
heritage of both the individual and the collective
beneficience
an ethical concept that seeks to maximise
benefits when taking a particular position or course of
action
non-maleficence
an ethical concept that discourages
causing harm – or when harm is unavoidable, ensuring that
the harm is not disproportionate to the benefits from any
position or course of action
thermoregulation
the homeostatic process of maintaining a
constant internal body temperature
effector
effector
a molecule, cell, or organ that responds to a signal
and produces a response
receptor
a structure that detects a signal or external
change, usually a protein